Fastening-inserting machine



Oct. 9, 1928.

G. GODDU ET AL FASTENING INSERTING MACHINE Filed April 23 1921 12 Sheets-Sheet 1 Oct. 9, 1928.

G. GODDU ET AL FASTENING INSERTING MACHINE Filed April 23. 1921 12 Sheets-Sheet 2 16 J14 F l 3.

Oct. 9, 1928.

G. GODDU ET AL FASTENING INSERTING MACHINE Filed April 2Q. 1921 12 Sheets-Sheet 3 Oct. 9, 1928. 1,686,808

a. GODDU ET AL FASTENING INSERTING MACHINE Filed April 23. 1921 12 Sheets-Sheet. 4

Oct. 9, 1928. 1,686,808

a. GODDU ET AL FASTENING INSERTING MACHINE Filed April 23. 1921 12 Sheets-Sheet. 5

Oct. 9, 192&

G. GODDU El AL FASTENING INSERTING MACHINE Filed April 23. 1921 12 Sheets-Sheet. 7

Ti t I NIIII /NVEN mRs.

Oct. 9, 1928.,

G. GODDU El AL FASTENING INSERTING MACHINE Filed April 23, 1921 12 Sheets-Sheet 8 Oct; 9, 192& 1,686,808

G. GODDU El AL FASTENING INSERTING MACHINE Filed April 23, 1921 12 Sheets-Sheot 9 J66 424 =r J36 t J8 \l' 'T i :1: 51 1516 gim Oct. 9, 192&

G. GODDU ET AL FASTENING INSERTING MACHINE 12 Sheets-Sheet 11 Filed April 23'. 1921 NVf/V TURS Oct. 9, 1928. 1,686,808

G. GODDU ET AL FASTENING INSERTING MACHINE Filed April 23, 1921 12 5110011841199? 12 450' 4 45; K 4 41 18 5 i we 5 F1523. i x 440 Patented Get. 9, 1928.

UNETED STATES PATENT OFFICE.

GEORGE GODDU, OF WINCHESTER, AND FRED L. FIACKENZIE, OF BEVERLY, IlIASSA- CHUSETTS, ASSIGNORS TO UNITED SHOE MACHINERY CORPORATION, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

FASTENING-INSERTING MACHINE.

Application filed April 23, 1921.

This invention relates to machines for inserting fastenings and is illustrated as embodied in a machine for inserting slugs such are commonly used in the manufacture of boots and shoes.

Although directed primarily to machines such as are used in the manufacture of boots and shoes to insert fastenings of various kinds and forms, either for uniting parts of boots or shoes, for purposes of ornamentation or for resisting Wear, the invention, nevertheless, is applicable in some of its phases to fastening inserting machines in general. whether such machines deal With previously formed fastenings or make as Well as insert their own fastenings and Whether said fastenings are headed dr headless. For the sake of brevity the term fastening is herein used to include slugs used for purposes of ornamentation or for resisting Wear as Well as such fastenings as are used for uniting different parts of the articles operated upon, the term being intended to include everything of a nature to be inserted by machines of this kind.

In inserting fastenings for some purposes, for instance when inserting slugs in the tread surfaces of heels, it is at times desirable to vary the lengths of the different fastcnings inserted in a single piece of work. In addition to their Wear resisting and ornamental functions the slugs often serve to assist in holding the top lift to the remainder of the heel. For this purpose it is not necessary that all of the slugs be long enough to penetrate Well into the body of the heel, it be.- in generally sufficient if but one out of several slugs is of such length, the remainder passing through the top lift and only part Way through the next lift. It is particularly desirable, moreover, that the slugs adjacent to the breast corners of the heel be operative to assist in securing the top lift to the heel.

Accordingly it is an object of the invention to that the first and last fastenings in se ted during each run of the machine, that is, from the time the machine is started until it i t stopped, or either of them, shall be fasienings of a different character from, as for example, longer than, some or all of the intermediate fastenings. For this purpose the illustrated machine is arranged to control the lengths of the different fastenings so as to cause the fastenings inserted during each run of the machine to have such varia- Serial No. 463,744.

tion in length as Will enable the fastenings effectively to assist in securing top lifts to the remainder of the heels to Which they are attached with the expenditure of a minimum amount of fastening material, the control of the lengths of the fastenings being irrespective of the number of fastenings inserted and of the thickness of the Work. To adapt the illustrated machine to varying conditions, it is provided with counting and measuring mechanism for controlling the lengths of the fastenings operable to cause the insertion of a row of fastenings the end fastenings of Which are of greater length than some or all of the intermediate fastenings, the arrangement being such that the intermediate fastenings may be either all of a single length, less than that of the fastenings at the ends of the row, or they may be arranged in groups with a single long fastening of the length of the end fastenings between each group of shorter fastenings. In order that the range of utility of the machine may be as great as possible, the counting and measuring mechanism is so arranged that it may also, if desired, be operated to cause the insertion of fastenings all of a single length.

To insure in a simple manner that the last fastening inserted during each run of the machine (or, more broadly, a fastening definitely related to the end of the run) will be a long one, irrespective of the number of fastenings inserted, a feature of the illustrated machine consists in means arranged to cause the machine to operate through a definite period, for example, and as illustrated herein through a single cycle of operation, after the completion of the cycle of operation upon which the machine is engaged When its controller or treadle is released, in combination with mechanism for controlling the lengths of the fastenings operable to cause the insertion of a long fastening at a period definitely related to the end of a run of the machine. as illustrated during its last cycle of operation. Similarly a feature of the invention comprises novel means operable when the machine comes to rest to cause the measuring device to be left in condition to cause the fastening inserted during the first cycle of operation when the machine is again started to be a long one.

Since it is desired to cause the insertion of a long fastening during the first and lastcycles of each runof the machine, and since the length of the fastening inserted during each cycle is determined not later than the commencement on-that cycle the illustrated machine is arranged, as hereinbefore set forth, not only to complete the cycle of'operation upon which it is engaged. when the treadle or other controller is operated to stop the machine but also to operate through a single cycle thereafter. To accomplish this a latch is. provided for. holding in Operative position clutch and Wonk support con-trolling mechanism. controlled the treadle, the latch being onlyneleasedvfor an instant at the commencement of each cycle of operationof the machine and tlwsfpreventing the release of the trea'dle from operatingto move said'treadle controlled mechanism to stopping position until the-iconcliision'of the cycleof operation onw-hich the machineis en'- gage-d when the --'treadlexis released. The movement tos'topping position of thetreadle controlled mechanism which then takes place is utilized-to operate mechanism which causes the throwing out of the clutch and the subsequent lowering of the work support at the conclusion of the next cycle of operation of the machine.- It'shoul'd-be recognized, however, that the novel: clutch controlling and work support raising mechanism, aside from this latching feature, "is not limited in its utility to machines arranged to operate through another cycle after that during which the treadle isre'leased before stopping.

A further feature oflthe invention consists in novel cutting mechanism for severing fastenings from a strip of fastening material. In the illustrated machine :this comprises a pair of-cutters arranged for relative moveinent'toward each other to cut into but only partially tosever the'wirae and thereafter to move simultanebusly in the same direction. thus co-ioperating with'a throat member ad- -jacentto the'eutters to complete the severing of tliefa'stening by a shearing action. This insults in leaving the severed fastenings with a very smoothly cut top surface and, since the throatnmember may remain's'ta-tionary during the entire severing operation, permits the use of simple and easy running mechanism 'weonnoi the severin It isa further object of the present invention to provide a fastening inserting machine capable of operating at high speed and with a minimum of fatigue upon the part of the operative, the parts of which shall be easilyaccessible, as for purposes of inspection, and which shall be simple and convenient toassembletor to take apart.

l/V-i-tlji these objects in view the illustrated machine isprovided witha short throw treadle arranged to control novel power operated mechanism forraising the work support and throwing-in the clutch, this mechanism also being arranged to throw out the clutch when the machine is stopped before permitting the lav-raring of the work support. With the same objects sun in view a feature of the invention consists in horn control mechanism arranged to lower the horn during the feeding movement of the work and to hold it raised during the insertion of each fastening so constructed that the parts thereof which are most subject to wear and vhich, accordingly, need most .i'rcquent inspection and renewal (as illustrated, a pair of pawls) are visible without removing them from the machine and such that when it is necessary to remove them for purposes of repair or renewal they .may be removed and reassembled quickly and with a minimum of inconvenience.

With the foregoing and other objects and features in view the invention will now be described with reference to the accompanying drawings. While these drawings illustrate a preferred embodiment of the invention it should, nevertheless be distinctly understood that they are submitted herewith primarily for purposes of exemplification and that in many of its aspects the benefits of the invention are not dependent upon the specific embodiment herein shown. It is intended therefore that the scope of the invention shall be considered in no way dependent upon the present specific disclosure but rather that it shall be limited only by the scope of the subjoined claims.

In the drawings,

Fig. 1 represents a side elevation of a fas tening inserting machine illustrative of a pre ferred embodiment of the invention;

Fig. 2, is a diagram of an arrangement of belts and pulleys which may conveniently be used to drive the machine;

Fig. 3 is a side elevation of the head of the machine;

Fig. 4 is a side elevation looking in the opposite direction from Fig. 2, and with a certain cover plate removed;

Fig. 5 is a front elevation of the head of the machine with certain parts broken away;

Fig. 6 is a front elevation on a larger scale than Fig. 5 of a counting and measuring de vice utilized to control the insertion in series in the work of fastenings of variably predetermined lengths;

Fig. 7 is a front elevation of a ratchet seg ment included in the counting and measuring device;

Fig. 8 is afront elevation of a feed control lever and certain other parts associated therewith which control the lengths of the different fastenings;

Fig. 9 is a front elevation of a feed pawl and part of its operating means for causing movement of the ratchet Segment and feed control lever of Figs. 7 and 8;

Fig. 10 is a longitudinal section of the counting and measuring device;

Fig. 11 is a transverse section looking to- Wards the front of the machine and showing the feed rolls and certain associated parts ttllien substantially on the line 11-l1 of Figi. 3;

Fig. 12 is a. vertical section on the line 12-12 of Fig.

Fi 13 is a vertical section illustrating the means for reciprocating the driver bar and other associated parts;

Figs. 14, 15 and 15 are transverse vert'cal sections on lines ll ll, 15 15. and ill-'16, respectively, of Fig. 4;

Fig. 17 illustrate; an edge gage be used upon the machine;

Fig. 18 shows the base 0 t the in: .cl inc partly broken away and in section more clearly to show mechanism housed therein. illns'irati also a portion of the po\ver-opcratcd work support controlling mechanism;

Fig. 19 is a longitudinal section on a larger scale than Fig. 18 and illustratin niechani -m by which a continuously operating live lide is utilized to raise the work Hlllllltklt and throw in the clutch of the machine;

Fi 20 is a transverse section showing l mechanism of Fig. 18 looking); from the rear oi the machin g Fig. 21 is a horizontal section on the line 21-21 of Fig. 20;

Fig. 22 is a horizontal section on the 2222 of Fig. 19;

Fig. 23 is a vertical section showing a portion of the work support lowering and raising mechanism on a larger scale than n Fig. 18 and Fig. 24- is a Section of the pawl and ratchet mechanism of Fig. 23 taken on line l-l -s-l of that figure on a smal er scale and lo'olil from the rear of the machine.

The illustrated machine is provided which may line shown in Fig. 1 with a column having a primary standard and a secondary Y n ard 32 carrying the head ill of the .narhine the work support 536 respectively. the h. being arranged to co-operale with a pres plate or abutment 37 (Fig. 3; carried by 34: in the usual manner. The column o? machine is carried by a base 38 (Figs. 1 a; i 18) which maybe utilized to carry a motor and Which also carries a hollow bracket constituting a housing; and support tor in: anism hereinatter described.

The head ill of the illns ited machine is made in the form ol' a hollow casting r-tt' il'tftl to the upper end of standard 20 and is provided with a cover plate it which may he removed as illustrated in Fifi. -11 to give accc i; to the interior of the head. .lcniovahly at tached to the rear of the head is a castin; ll) which serves as a housing for the drive pulley 48 and clutch member 50. as well being provided with a bearing for the main cam shaft 54. Secured to the front ot the head 34-. is a casting 56 provided with a bearing for the main cam shaft and serving to support the awl and driver bars as well as a counting and measuring device, teed rolls, and other associated parts.

The illustrated machine is of that type in which an awl. illustrated at 58 (Figs. 4 and 5 is utilized to pierce and feed the work and in which the tastcnings are djiven by a recip ocating driver shown at (it). both the awl and the driver well as many other parts of the rnachine being cam-operated. The machine arranged to cut. l'astcnings from a fastenstrip such as a wire and to drive the in tenings so cut into epenings made in the oi by the awl. The lengths of the diil'ercut 'tas cnin gs are controlled by the counting nd measuring device of Figs. 5 t0 9, this tnan and being: l'ollowcd by a variably predetermin d number 01 shorter fastenings. This mechani m. it is contemplated. will ordinarily be operated above set forth. and is arran al. moreover. to insure that the first and la .isteniugs inserted during each run ot the machine will be long ones. It is. however, capable of being operated so to cause only c tirst and last 'lastenings inserted during: each run of the machine to be longer than the rei'i'iainder. these latter then being all of the same length. \loreov it desired. this mechanism may be rendered operative to cause the severing and insertion of tastenings all of a single, though variable. length.

The awl is rcmovably clamped as shown at (ii I in an aw] holder (Hi carried by the lower end o't' an awl bar titi mounted for approximately vertical recip.-: cation an awl bar carrier {ZS supported for oscillation about the main ram shaft as illustrated in Fig. 5. The awl bar carrier tit s connected by a link 70 to :1 sloth arm T2 carried by a rock sha'l'l T l which is oscillated through an arm 76 15) hearing a can] roll 75% located in a closed cam path 80. The extent of the oscillation of the awl bar carrier (33. and consequently the loo th of the feeding movement of the awl, may be varied by adiu ting the connection of link To to arm 72 lengthwise of the latter. tn order that the awl .38 may operate to feed the wow l{ to th c'irr ct po ition regardless l' the extent of the tending rnoven'ient. the slot o't arm 72 is formed as an are of a circle having its center at the point of pivotal connection of ling '30 to awl bar carri r when the awl is in the posi. ion it occupies at the conclusion of each feeding movement. the radius of that circle thusheing; the ctl eczive l ngth rlink 70. \Vith this construction adios-tint nt of the connection of link to arm 72 will vary the extent of the feed by varying the )OSltlOl at which the awl enters the Work Fig.

without in any way changing the position which the awl occupies at the conclusion of each feeding movement when it is withdrawn from the work. To provide for adjustment of this latter point, in order to facilitate the setting up of the machine and to permit adjustment to compensate for wear, the awl holder 64 carried by the awl bar through a connection comprising, as shown in Fig. 5.. a plate 82 formed with longitudinal and transverse grooves on its lower and upper faces respectively. These grooves co-operate with corresponding grooves in a plate carried by the awl holder and in the lower end of the awl bar, the parts being held together by a clamp screw 84 passing through suitably arranged slots in the awl holder and in plate 82, and threaded into the lower end of the awl bar.

The reciprocation of the awl bar is accomplished through a link and lever system comprising a link 86 (see Fig. pivot ally connected to the awl bar and to an arm 88 car ried by a rock shaft 90, the latter, as shown in Fig. 15, being oscillated by an arm 92 provided with a cam roll 94 operatingin the closed cam track 96 of a cam carried upon shaft 54. Cam tracks and 96 are so arranged as to cause the awl to enter the work immediately prior to its feeding movement and to be withdrawn from the work at the conclusion of the feeding movement.

In order to permit ready adjustment of the parts in assembling the machine or to compensate for wear, arms 7 6 and 92 may conveniently be adjustably connected to shafts 74 and 90, respectively, through eccentric bushings. This expedient, in fact, may advantageously be used in many such connections throughout the machine which it is believed to be unnecessary specifically to specify or further to describe.

Driver 60, as shown in Figs. 5 and 12, is clamped at 98 to the lower end of a driver bar 100 reciprocating in a vertical way formed in casting 56. Driver bar 100 is provided with a rack 102 meshing with a gear segment 104 formed on the end of an arm 106 carried by rock shaft 108. the latter being journaled in the head of the machine. Arm 106 car ries an adjustably mounted cam roll 110 engaging a closed cam track 112 (Fig. 13) formed in the opposite face of the same cam member in which is formed cam track 80.

The fastening strip or wire from which the fastenings are to be severed is supplied to the machine from a reel 114 (Fig. 1) carried h the head of the machine. From the reel the wire passes through wire guide 11 and 12) to a pair of feed rolls coinprising an idle roll 118 and a driven roll 120. From these rolls the wire is guided through a channel formed in a pair of guide members 122 to the point at which the fastenings are severed therefrom by cutters 124 and 1f? (Fig. 5.). From this point the tastenin s pass into the receiving opening of throat member 128 which is utilized to transfer the fastenings from the point at which they are severed from the re to inserting position. For this purpose the t mat member is carried by the end of a r ciprocating bar 130 slidably mounted for ht Q ontal movement longii of the head of the machine. This 5). m which cutters 124 and 126 are adjustably lamped, are provided the former with a shaft 144 and the latter with a sleeve 146 surliHi hng that. shaft by means of which they are pivotally carried by the head of the ma chine (Figs. 14 and Shaft 144 is arrang 'ed for oscillation by an arm 14S carry- I a cam roll 150 operating in a cam track 152 formed in the face of a cam member 154 carried by shaft 54. Similarly sleeve 146 is osciiated by an arm 156 carrying a cam roll 158 operating in a cam track formedin a cam member 162 carried by shaft 54 (Figs. 4 and 14).

At the time that th cutter holders and the cutters carried thereby are operated to sever a 't'astening from the wire the throat is in its rearmost position. The cutters are moved towards one another to an extent which causes th m to bite into but only partially to sever the wire. The formation of the cutter operating cams is such that after they have thus partially severed the wire. the two cutters are moved simultaneously in the same direction (toward the right as viewed in Fig. thus co-operating with the top of the throat member to complete the severing of the fastenings by a shearing action, this mode of operation being advantageous in that it leaves the fastenings with relatively smooth tops. As the fastenings are thus s ered fromtlse wire the lower end of the i. .re is given an appreciable movement laterally the machine. According it is desirable to provide m ans for restraini g it at the conclusion of the cutting operatmn and for returning it to its normal position pr gara- Ff to the making of the next cut. her this purpose a nirniher 164 (F 5. and is provided with an enlarged opening 166 which the cm o the wire enters and with pertorate l z, .ter its mounted for eating mo nent in wavs 170 formed therein. this floating guide member being arranged for lateral movement as the cutters move simultaneously in the same direction for the Ion shearing portion of the cut. The opening in member 168 preferably is flared at the top, as shown in Fig. 12. Carried by cutter holder 140, adjustable as by a screw and slot connection 172 (Fig. :3), is a linger 171 having its extremity turned forward and arranged for engagement with floating member l68 to return it to normal position as cutt r 121 moves back after each cutting operation. A stop 176 formed upon floating guide member 168 prevents its escape and limits the extent of this movement. The return of the cutter 12st after the conclusion each cutting operation is so timed with respect to the opera tion of feed rolls 1.18 and 131) that floating member 168 will be returned to its normal position just prior to the feeding of the wire for the formation of the next fastening.

The idle feed roll U8 is journalcd, as shown in Fig. 11, upon the extremity of a lever 1T8 fulcrumed for adjus.ment about shaft 54. Carried by lever 1T8 a pin 180 engaged by a hook 182 formed upon the end of a rod 18-1 which passes loosely through an opening near the extremity of the depending arm of bell crank lover 186 fulcrumed upon casting 56. The other arm of this bell crank lever bears, as shown in Fig. 1, against an eccentric 188 adjustable as by a handle 190 in a bearing in casting 56. did 184: is provided with a collar 192 rigidly attached thereto and hold by a compression spring 1% in contact with a washer 193 bearing against the depending arm of hell crank lever 186. Threaded upon the extremity of rod 184 and forming the other abutment for spring 191 a wing nut 196 by means of which the compression of spring 19% and consequently the force with which roll 118 is held against the wire may be adjusted. By rotating eccentric 188 through a suitable angle, bell crank lever 186 may be moved to a position which so releases the pressure of roll 118 against the wire that the wire mav be easily inserted or withdrawn from the feed rolls. Moreover. when the pressure is so released. hook 182 may be easily withdrawn from pin 180 as may be convenient in dismantling the machine. in Fig. 11, cccentric 188 is shown in position to cause the release of feed roll 118 to permit the inscrtion or removal of the wire.

The driven or live feed roll 120. which formed (Fig. 10) ith a sleeve 198 to provide an extended bearing therefor in bushing 199, formed with an internal ratchet 200. Engaging this ratchet and yicldingly held in contact therewith. as by springs 202, are a series of pawls 2041 pivoted at 206 to a pawl carrier 208. the latter being clan'iped as by a nut 216 to the squared end of shaft 21 iournaled in sleeve 198. is shown. a cover plate 215 houses and protects pawls 20 and ratchet 200. Thus it will be seen that rotation of shaft 214 in the direction of the arrow in Fig. 11, will be operative to give feed roll 120 movement in that direction, the extent of each step of this movement, and consequently the length of wire fed to the cutters, depending upon the extent of the corresponding movement of shaft 214.

In order to vary the lengths of the fasten ings in the desired manner, a counting and measuring device illustrated particularly in Figs. 5 to'10, inclusive, is employed. Formed rigid with shaft 214 of the live feed roll 120 is a ratchet segment 216 shown in detail in Fig. 7. This segment is provided with a cam member 217 adjustably carried as by a screw and slot connection 218 for the purpose, as will more fully hereinafter appear, of variably determining the number of short fastenings inserted between consecutive long fastenings. Formed upon the rear of ratchet segment 216 is a shoulder 220 arranged for engagement with a corresponding shoulder (Fig. 6) formed upon a feed control lever 224. This lever is fulcrumed upon bushing 199 and is provided in an arcuate portion of its periphery with a notch 226 having a radial and an inclined surface, which, together with the notches formed by the teeth of the ratchet segment 216, are arranged for engagementwith a pawl 228 (Figs. 6 to 9) pivotally carried by an arm 230 journaled upon the extended end of shaft 214, as shown in Figs. 9 and 10. A spring 232 anchored at one end to pawl 228 and at the other to arm 23-0 tends to hold pawl 228 in contact with feed control lever 221 and causes the pawl to enter notch 226 to engage a tooth of ratchet segment 216 towards the conclusion of each upward oscillation of arm 230. A spring 233, anchored at one end to a pin 235 carried by a collar 237 (Figs. 6, 9 and 10) clamped to shaft 216': and hence rigid with ratchet segment 216 and anchored at the other to a pin 2 9 carried by casting 56, tends to move ratchetsegnnznt 216 in a counter clockwise direction as viewed in Fig. 6. Arm is provided. as shown in Figs. 5 and 9, with a gear segment 234 meshing with a similar segment 236 carried by an arm 238 pivoted at 240 to casting 56. Upon this arm is mounted a cam roll operated by a cam track 244 in cam member 248 mounted upon the forward extremity of shaft 5i. By this construction pawl 228 is oscillated periodically through a fixed path over the lower part of which it is held from engagement with the teeth of ratchet segment 216 by the arcuate portion of the periphery of feed control lever \Yhen, however, the pawl reaches the notch 22" it passes into engagement with a tooth of the ratchet segment 216 and a little later into engagement with the radial surface forming the. terminus of notch 226. Since the ratchet segment 216 is connected through shaft 214 and pawls 201 with the live feed roll, the extent of movement in a clockwise direction as viewed in Figs. 5 and 8 thus im- IUD parted to the ratchet segment, determines the extent of the feeding movement of the live feed roll and thus determines the length of each fastening prior to its severing from the wire. To vary the lengths of the different fastenings it is accordingly only necessary appropriately to vary the position of notch 226 and this is done by mechanism now to be described. F or this purpose the feed control lever 224 is formed with a shoulder 250 (Fig. 8) which, as the feed control lever is oscillated, is brought, when a short fastening is to be measured, into engagement with a stop 252 formed near the extremity of a lever 254 fulcrumed at 256 to a. block 258 adjustably mounted in a way 260 formed in casting 56. A spring 262 bearing at one extremity against lever 254 and anchored at the other to block 258 tends to hold lever 254 in such position that stop 252 lies in the path of movement of shoulder 250 (see Fig. 6) to limit its movement in a counter-clockwise direction, as viewed in Figs. 5, 6 and 8. By adjusting block 258 the position of stop 252 may be varied and, as will subsequently appear, such variation will correspondingly vary the lengths of the short fastenings. A scale such as that indicated at 264 may conveniently be used to indicate the lengths of the fastenings corresponding to dili'erent positions of stop 252.

The length of the long fastenings, which will be formed only when stop 252 has been depressed from the path of movement of shoulder 250 by mechanism hereinafter described, is determined by the position to which the feed control lever 224 is moved by a spring 266, theextremities of which are anchored at 268 and 270, respectively, to the feed control lever 224 and casting 56, when stop is depressed so as to permit shoulder 250 to move therepast. The extent of this movement of feed control lever 224 is determined by the position of a stop 272 carried by a block 274 adjustably mounted in a manner similar to that described in connection with block 268 and conveniently provided with a scale 276 to indicate the length of the long fastenings thus mea'sured. Stop 272 is arranged in the path of movement of a lug 278 formed upon a pawl 280 pivoted at 282 to feed control lever 224. and normally held in position by a spring 284 to engage a tooth of ratchet segment 216. As long as stop 252 remains in the path of movement of shoulder 250, lug 278 is not brought into contact with stop 272 as the feed control lever oscillates and thus pawl 280 remains in engagement with the toothed portion of ratchet segment 216 and prevents its retrograde movement with respect to feed control lever 224. Thus it will be seen that since each oscillation of pawl 228 engages a different tooth of ratchet segment 216, moving that segment a step in a clockwise direction as viewed in Fig. 8 with respect to feed control lever 224, the relative positions of the ratchet segment and the feed control lover which they occupy after pawl 228 has reached the extremity of notch 226, will be retained and after a sutiicient number of such movements ratchet segment 216 will have been moved into such position that cam member 217 will be brought into engagement with a corresponding cam surface 286 formed upon lever 254, as shown in Fig. 6. Upon the next oscillation of pawl 228 with the parts in the position shown in that figure, arm will be cammcil down from the position which it there occupies to the position in which it is shown in big. 8 with the result that upon the retrograde movement of pawl 228, feed control lever will more under the iulluence of its 266 to such an extent as to bring lug pawl 284 into contact with stop 272, thus 1;

lifting pawl 280 out of engagement with ratchet lent and permitting that seg- All) meat to n v e under the influence or its spring 23-? until shoulder 220 brings up against shoulder 22.2 of feed control lever 224. With the parts in this position the next oscillation of pawl will bring that pawl into enga ement with a tooth of ratchet segment 216 sooner than is normally the case by a distance equal to the dilierence in the relative positions which notch 226 of feed control lever occupies according as the latter is stopped by stop 252 or by stop 272, and the forward movement of ratchet segment 216 will be correspondingly greater with the result that the live feed roll 120 will be corresi'iondingly operated to feed a greater than usual length of wire to the cutters, thus forming a long fastening It may here be observed that the position which pawl 228 occupies at the conclusion of each feeding movement is unvarying and that the variation in the length of the fastenings is accomplished by varying the position at which pawl is let into engagement with the ratchet segment 216. \Vhen the feed control lever 224 permitted, by the withdrawal of stop 252, to move to such a position that lug 278 of pawl 280 is brought into contact with stop 272, the withdrawal of pawl 286 from ratchet segment 216 permits spring 29) to move the ratchet segment to such a position that cam m mber 217 is moved to a position such as that indicated in Fig. 5, and accordingly short fastenings will thereafter be measured until pawl 228 has made a sutlicient number of oscillations to bring cam 217 back into position aga n to depress lever 254-.

The number of short fasteninejs which it is desired to insert: between successive long" fastenings may be varied by adjusting; cam member 217 with respect to the ratchet segment 216. It will be evident that the further cam member 217 is moved to the right. as viewed in Figs. 5, 6 and 7, the greater will he the Lit) lltl

number ol' short fastening inserted in each series. For the purpose of indie-at the number of short liastcnii k )onl the ditl'crent positions of cmay be provided.

In order to cause the tirst an last fastenings inserted during; each run oi the machine. that is during an uninterrupted s ries oi operations between the starting and stop-- ping or the machine, to be long; ones, means is provided for depressing lever iii-ll prior to the measuring or the last fastening inserted and for holding: it depressed until alter the measuring" 0' the first fastening to be inserted when the machine Elfjtlll'l started. For this purpose a shoulder 25h) formed upon the rear of lever 25 i, this shoulder being engaged. by the extremity ot the forwardly extending arm of a bell crank lever 294 tulcrumed on the h rad ol the achine (see Figs. 3, 8 and 11). Bell crank lever is rocked to depress lever 25 l prior to the measuring; or the last i'astening whenthe machine is stopped by a rod 298 pivoted at 300 to the depending arm of bell c "ank lever 2% and provided near its rear extrcm with an adjustable collar 302 engaged by one end of spring 304, the other which bears end or against a portion of the head at the machine at 305 (Fig. 3). During the operation of the machine the upstanding arni 308 of bell crank lever 310 pivoted at 311 to the lead of the machine is maintained in position to compress spring an. and thus to hold bell rank lever 29s in such position that the extremity 22 thereof is held tree and clear of shoulder 290. Upon the stopping of the machine, however, bell crank le 01' tilt) is permitted to rock in a counter clockwise direction as viewed in Fig. 3 by mechanism hereinafter described to permit spring 130i to move rod 298 rcarwaidly and thn, to cause the extren'iity 292 of hell crank lever 29-l to depress lever 254- just prior to the measuring of the last fastening to be inserted. To cause the first fastening: in erted when the machine apain sta d to be a long; onc, this condition not disturbed until immediately after the mcaurine' ot' the lirst fa tening. but after the ill'n, taste-nine has been measured bell crank lever 310 is rocked in a clockwise direction as viewed in $3 to cause the c trcmity 292 of hell crank lever 2ll+l to be lifted from shoulder 2/0 lever 213i.

It it is desired that all except the first and last l'astenings ins "ed shall be short, as for instance it it is de ired that the slugs on the breast corners of a heel be longer than the intermediate tastenin g' which latter are all to be of a single len; this n be accomplished by engaging a latch m-x lnlvcr 312 Fig 5, (l and 8) over lug; 278 which is thus permanently retained in tl e position relative lever 224 in which it shown to feed control in Fig. lo retain latch 23 2 either in or out of this position its hub is provided with a pair of notches either of Which may be engaged by a spring 314 carried by feed control lever \Vhen lug 278 is held in the position shown in Fig. 8 by latch 312, pawl 80 will be held permanently out of engageit with latch segment 216. Accordingly upon each retrograde movement of pawl 228 ratchet 216 will move in a counter clockwise direction relatively to feed control lever 22l to the position which it occupied prior to its engagement by pawl 228 with shoulder 220 contacting with shoulder 222 so that the count will not be preserved and ratchet se ment 216 will never be brought into position to cause interaction of cams 21. and 286 to depress lever 254. Thus the 'l'astenin s inserted will all be short, the comment-enlent of each feeding movement of tchet segment 216 being controlled by stop t 2. except that the first and last tastenings inserted will be longsince the extremity oflever arm 292 will be depressed in the usual manner to cause the downward movement oi lever and its stop 252 when the mato be long ones.

i is u arcd that all the fastcnings inserted shall he of a single length, this may be ac en'iplishcd by bringing a latch memher ulti pivoted 318 to the head ol the mach ne (see Fig. 3) down into engagement hctwcen a collar Z320 adjustably carried by rod and a bearing surface provided upon the head of the machine. A spring 322 provided to press latch member 316 when in its raised position against a portion oil the head ot the machine so trictionally to retain it in that position. When the latch member tilt) is lowered to take up its position between collar 120 and the head of the machine it pinched between those two parts by the action of spring fSOl and is securely held in that position. This causes bell crank lever 294 to be rocked in a conntcr clockwise direction as viewed in Fig. 3 to such an extent that its extremity 292 is permanently out at engagement with shouldcr 290 of lever and prevents the rearward movement of rod 298 under the influence of spring 30lwhen bell crank lever 310 is released for the measuring: of the last fastening. Thus it will be seen that it' latch illii is utilizrd to hold pawl 280 out ol engagement. with ratchet segment 216 so that the count of short tastcnings is not proserved, and it at the same time latch 316 is lowered to prevent the depression of the 'l'orward extremity 292 of hell crank lever :lG-l. the i astcnin s measured will all be of a lcn; corre ponding to the position of stop 252 or. as it may conveniently be said. all the tastcnings will be short. Of course the let all. (it the tastening s so inserted may be ill) that fastenings thus inserted may be of any desired length Within certain lin ts.

As is usual in this type o'l machine, the work support 36 is arranged to be raised before the clutch is thrown in when the machine is started an d to be lowered to work receivingposition after the clutch is thrown out when the mac iinc stops, as well as to be lowered a lesser distance to relieve the pressure upon the work during each feeding movement oi the awl. For this purpose the machine provided with power operated horn control ling mechanism arranged to be thrown into operation by displacement of a short throw treadle 324 pivoted to the base of the machine and connected at its rear end to a rod 326 (Figs. 18 and 20) to which clamped a rod 323 normally forced downwardly by a spring 330 bearing at one end against a collar clamped upon rod 326 and at the other end against a bracket 332 secured to the rear of standard 30. i .it its upper end rod 328 has clamped thereon a cap 334 (Figs. 3 and 16) arranged when rod 328 is elevated under the influence of treadle ll to rock bell crank lever 310 against-the prc use of spring 304 to raise the extremity 232 of the fol-wart ly extending arm of bell crank lcvcr 294 from shoulder 290 of lever 5254. As: trcadle 32lreturns to inoperative Josition at or it is released, cap of rod moves downwardly under the influence of spring 33 l and permits bell crank lever 310 to rock so as to move its upper extremity reaiwardly permitting spring 304 to rock bell crank lever 294 so as to depress lever as already explained.

Clampcd upon rod 328 18 and 20) are a pair of collars 335 receiving between them the rearwardly extending arm of a three-armed lcv r 338 rigidly but adjustably carried by a shaft 340 journaled in bracket 42 and also rigidly carrying a downwardly extending arm 342 (Fig. 19) housed within bracket 42. An adjustable stop 341 carried by bracket 42 limits the movement of lever 338 iii a counter clockwise direction as viewed in Fig. 18 and accordingly limits the downward movement of rod 323 under the influence of its spring Journaled upon shaft 900. 340 and housed within bracket 42 a lever 344 having a U-shaped depending portion straddling arm 34 A spring 346 anchored at one end to the lower extremity of arm 342 and at the other end to a forwardly extending portion 348 of lever 344 tends to hold part 348 of lever 344 in engagement with a shoulder formed upon the upper portion of arm so that as shaft 340 is rocked i n a clock wise direction as viewed in Fig. 19 lcvcr 344 will be yieldingly urged in the same direction, while when shaft 340 is rocked in a counter clockwise direct-ion arm 342 will possitively rock lever 344 in that direction.

Journaled in suitable bearings in the base of the machine is a counter shaft 350 (Figs.

18 and 20) carrying a pulley 352 driven by a belt 353 which passes about pulley 48 (Fig. 2.). A belt 354, which connects pulley 48 with a pulley on the rotor shatt of motor 40 passes between pulley 48 and belt 353 and serves to transmit: power from the forum! to the latter. As illustrated in Fig. 1, an idler 351' adjustably carried by column 30 for the pin-pose oi varyirng the tension of belt 333 as may be desired. Pulley 352, has tormed therein a cam track 358 lubricated by a pad 359 as shown in Fig. 20 and in which is located a cam roll 360 (Fig. 19) mounted upon the lower end oi a live slide which, as pulley 354 rotates, is continuously r .ciprocated in vertical ways 364 carried by bracket Also movable in vertical ways formed in or carried by bracket 42 is a slide 366 to whicl pivotcd at 368 a latch lever 370 pro vide( with a spring 3:2 tending to urge it to the position shown in Fig. 19. Bearing against the lower portion of latch lever 370 is a spring pressed plunger 3T4 housed in the lower portion of arm 342 and provided with a spring of sulficicnt strength to overcome the etlect of spring 372 upon latch lever 370 when shaft 340 and arm 342 carried thereby are rocked in a clockwise direction as viewed in Fig. 19. Carried by the live slide 362 is a hardened plate 376 the upper portion of which is arranged for engageinent by shoulder 378 of latch lever 370 when. in the operation of the machine, the latch lever 370 is urged by the rocking of arm 342 against live slide 362 and that slide in its oscillation reaches the lower portion of its path of movement. Under these circuur stances the shoulder 378 of latch 3T0 snaps past the plate 376 and upon the elevation of slide 362 causes also the elevation of slide 366. hen this takes place lever 344 is urged by spring 346 in the same direction as arm 342 and a hook 380 formed upon its lower extremity snaps under a shoulder 3S2 ca ried l. y slide 366 as the latter rises so that slide 366 is latched in elevated position. Thus it will be seen that the (repression ol treadle operative to cause slide 366 to be raised by power mechanically applied to the machine as by motor 40.

This upward displacen'ient of slide 366 is utilized to raise the work support to operative position as well as to throw in the clutch to start the machine. Mechanism by which this is accomplished will now be described. Formed upon the for *ard surface of slide 366 is a rack J84 with which meshes a gear segment 386 formed upon the rearwardly extending arm of a bell crank lever 388 fulcrumed at 390 to bracket 42. The forwardly and downwardly extending arm of bell crank lever 388 is connectcd by an adjustable link 392 to a lever 394 fulcrumed at 396 to the downwardly extending portion of a bilurcated bell crank lever 398, this latter being tulcrurned to the lower extremity of a toggle 

